[Qgis-user] Label with HTML-expressions

[Antonio Vico]

I reply to myself. I tested the plugin. Initially I thougth that work 
like a popup in openlayers and I do the answer for this.

I visited this link that use qgis-web-client and show images in popup 
when cursor is over certains icons.

http://webgis.uster.ch/maps/stadtentwaesserung/wc_anlagen?format=image/jpeg&visibleLayers=WC-Anlagen,Gemeindegrenze,Pixelkarten%20und%20%C3%9Cbersichtsplan&searchtables=&startExtent=692000,241500,700100,249000&maxExtent=692000,241500,700100,249000

This is that I want to do. I think this is a modification in javascript 
in the openlayers files used in qgis web client but I don't know about 
javascript and can't do it